Compound 'X' consists of only molecules. 'X' will have - A: Crystalline hard stucture B: A low m.p. & low b.p. C: An ionic bond D: A strong force of attraction between its molecules.

Which of the following statements are usually correct for carbon compounds ? These are good conductors of electricity. are poor conductors of electricity. have strong forces of attraction between their molecules. do not have strong forces of attraction between their molecules.

Compound X consists of molecules. Choose the letter corresponding to the correct answer from the choices A, B, C and D given below: X is likely to have a

Which one of the following is not an assumption in the kinetic theory of gases? a) The volume occupied by the molecules of the gas is negligible. b) The force of attraction between the molecules is negligible. c) The collision between the molecules are elastic. d) All molecules have same speed.

Compound X consists of molecules. Choose the letter corresponding to the correct answer from the choices given below: X is likely to have a : [A] low melting point and high boiling point. [B] high melting point and low boiling point. [C] low melting point and low boiling point. [D] high melting point and high boiling point.

Choose the correct answer from the options given below : A compound X consists of only molecules. Hence, X will have :

For two elements forming a bond, |X_A –X_B| = 2.0 . What is percent ionic character for this covalent molecule?

Iodine molecules are held in the crystal lattice by: a) London forces b) dipole-dipole interactions c) Covalent bonds d) Coulombic forces

Atom A,B and C occur in the same period and have one, six and seven valence electron respectively. (a) Will the bonds between B and C be predominantly ionic or covalent ? (b) Will the bond between A and B be predominantly ionic or covalent ? (c ) Write he electronic structure of the compound between B and C

Choose A,B,C or D match the descriptions (i) to (iv) alphabets may be repeated . (A) nonelectrolyte (B) strong elestrolyte (C ) weak electrolyte (D) metallic conductor (i) Molten ionic compound (ii) Carbon tetrachloride (iii) An aluminium wire (iv) A solution containing solvent molecules , solute molecules and ions formed by the dissociation of solute molecules . (v) A sugar solution with sugar molecules and water molecules .

Which of the following statements is not true ? (a) Intermolecular hydrogen bonds are formed between two different molecules of compounds. (b)Intramolecular hydrogen bonds are formed between two different molecules of the same compounds. (c)Intramolecular hydrogen bonds are formed within the same molecule. (d) Hydrogen bonds have strong influence on the physical properties of a compound.